Analysing the vertical distribution of nutrient salts and estimating the total mass of lake nutrients is helpful for the management of lake nutrient status and the formulation of drainage standards in basins. However, studies on nitrogen (N) and phosphorus (P) in lakes have focused on obtaining...

Supplier diversification is often adopted to mitigate the negative impact of supply uncertainty and increased tariffs in global supply chains. In this study, we consider a decentralized global supply chain that consists of a domestic buyer, a reliable oversea supplier with a high tariff rate...